在计算机纠错码技术中，0 - 1矩阵是重要的理论基础和工具。
On error control coding in computer, 0-1 matrix is an important theoretical foundation and tool.
配电网潮流是配电网无功优化的基础和工具，其计算速度和收敛性将直接影响优化的效果。
Power flow method of a distribution system is the base and tool of reactive power optimization, whose convergence and computation speed is very important to the efficiency of optimization.
数学，做为一门科学与技术的基础和工具学科之一，在今日飞速发展的知识经济和信息时代，其重要性已愈加突出。
Nowadays with the rapid development of knowledge economy and information, mathematics, a basic tool subject in science and technology, its importance is becoming more and more obvious.
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